The University of Tokyo DPC project (codename Charsiu) =======

The charis is Apache Pig UDF library for data transformation from log data into a wide table format data. This UDF project is started for clinical epidemiologic study using Japanese Diagnosis Procedure Combination Database data.

Quick Start ---------

Requiement Hadoop >=1.0.0, pig >=0.9.2

Download https://raw.github.com/wiki/hiromasah/charsiu/releases/charsiu-udf-1.1.jar

Write "register /path/to/charsiu-udf-1.1.jar;" into Pig script.

AUTHOR

product leader

Hiromasa Horiguchi (The University of Tokyo)

contributer

Tatsuya Nakamura (Kurusugawa Computer, Inc.) Taisuke Sato (Kurusugawa Computer, Inc.) Toru Nishikawa (Preferred Infrastructure)

LICENCE

Apache License Version 2.0

Update history ---------Release charsiu-dpc-2012.4 2013/08/24 ~~~~~~~~~ * fixed file name of 2012/ff1.schema

Release charsiu-dpc-2012.3 2013/08/21 ~~~~~~~~~ * added DPC schema of 2012

Release charsiu-dpc-2011.3 2013/07/20 ~~~~~~~~~ * changed DPC data input method to index file method for S3

Release charsiu-udf-1.1/charsiu-dpc-2011.1 2013/03/29 ~~~~~~~~~ * added UDF MulticastEvaluate, LoadDataWithSchema * modified a UDF StoreDataWithSchema for free encoding * modified a specification of choosing file system for DPC data

Release charsiu-dpc-2011.0 2012/12/13 ~~~~~~~~~ * added DPC schema of 2011

Release charsiu-udf-1.0/charsiu-dpc-2010.0 2012/10/31 ~~~~~~~~~ * several bug fixes * added license text * setting for maven report

Release 0.1.0 2012/7/1 ~~~~~~~~~ initial release